/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
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** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
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**
** $QT_END_LICENSE$
**
****************************************************************************/

#include <qinputpanel.h>
#include <private/qinputpanel_p.h>

QT_BEGIN_NAMESPACE

QInputPanel::QInputPanel()
    : QObject(*new QInputPanelPrivate)
{
}

QInputPanel::~QInputPanel()
{
}

QObject *QInputPanel::inputItem() const
{
    Q_D(const QInputPanel);
    return d->inputItem.data();
}

void QInputPanel::setInputItem(QObject *inputItem)
{
    Q_D(QInputPanel);

    if (d->inputItem.data() == inputItem)
        return;

    d->inputItem = inputItem;
    emit inputItemChanged();
}

QWindow *QInputPanel::inputWindow() const
{
    return qApp->activeWindow();
}

QTransform QInputPanel::inputItemTransform() const
{
    Q_D(const QInputPanel);
    return d->inputItemTransform;
}

void QInputPanel::setInputItemTransform(const QTransform &transform)
{
    Q_D(QInputPanel);
    if (d->inputItemTransform == transform)
        return;

    d->inputItemTransform = transform;
    emit cursorRectangleChanged();
}

QRectF QInputPanel::cursorRectangle() const
{
    Q_D(const QInputPanel);

    if (!d->inputItem)
        return QRectF();

    QInputMethodQueryEvent query(Qt::ImCursorRectangle);
    QGuiApplication::sendEvent(d->inputItem.data(), &query);
    QRect r = query.value(Qt::ImCursorRectangle).toRect();
    if (!r.isValid())
        return QRect();

    return d->inputItemTransform.mapRect(r);
}

QRectF QInputPanel::keyboardRectangle()
{
    Q_D(QInputPanel);
    QPlatformInputContext *ic = d->platformInputContext();
    if (ic)
        return ic->keyboardRect();
    return QRectF();
}

void QInputPanel::show()
{
    Q_D(QInputPanel);
    QPlatformInputContext *ic = d->platformInputContext();
    if (ic && ic->handlesInputPanelVisibility())
        ic->showInputPanel();
    else if (!d->visible) {
        d->visible = true;
        emit visibleChanged();
    }
}

void QInputPanel::hide()
{
    Q_D(QInputPanel);
    QPlatformInputContext *ic = d->platformInputContext();
    if (ic && ic->handlesInputPanelVisibility())
        ic->hideInputPanel();
    else if (d->visible) {
        d->visible = false;
        emit visibleChanged();
    }
}

bool QInputPanel::visible() const
{
    Q_D(const QInputPanel);
    QPlatformInputContext *ic = d->platformInputContext();
    if (ic && ic->handlesInputPanelVisibility())
        return ic->isInputPanelVisible();
    else
        return d->visible;
    return false;
}

void QInputPanel::setVisible(bool visible)
{
    visible ? show() : hide();
}

bool QInputPanel::isAnimating() const
{
    Q_D(const QInputPanel);
    QPlatformInputContext *ic = d->platformInputContext();
    if (ic)
        return ic->isAnimating();
    return false;
}

void QInputPanel::update(Qt::InputMethodQueries queries)
{
    Q_D(QInputPanel);

    if (!d->inputItem)
        return;

    QPlatformInputContext *ic = d->platformInputContext();
    if (ic)
        ic->update(queries);

    if (queries & Qt::ImCursorRectangle)
        emit cursorRectangleChanged();
}

void QInputPanel::reset()
{
    Q_D(QInputPanel);
    QPlatformInputContext *ic = d->platformInputContext();
    if (ic)
        ic->reset();
}

void QInputPanel::commit()
{
    Q_D(QInputPanel);
    QPlatformInputContext *ic = d->platformInputContext();
    if (ic)
        ic->commit();
}

void QInputPanel::invokeAction(Action a, int cursorPosition)
{
    Q_D(QInputPanel);
    QPlatformInputContext *ic = d->platformInputContext();
    if (ic)
        ic->invokeAction(a, cursorPosition);
}

QT_END_NAMESPACE

#include "moc_qinputpanel.cpp"